login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A155519 as a simple table

n a(n)
1 1
2 2
3 4
4 16
5 72
6 432
7 2880
8 23040
9 201600
10 2016000
11 21772800
12 261273600
13 3353011200
14 46942156800
15 697426329600
16 11158821273600
17 188305108992000
18 3389491961856000
19 64023737057280000
20 1280474741145600000

[1,2,4,16,72,432,2880,23040,201600,2016000,
 21772800,261273600,3353011200,46942156800,
 697426329600,11158821273600,188305108992000,
 3389491961856000,64023737057280000,
 1280474741145600000]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 08:43 EDT 2024. Contains 371927 sequences. (Running on oeis4.)